Search a number
-
+
2591469612629 is a prime number
BaseRepresentation
bin100101101101011111101…
…000000010111001010101
3100011202000222021022212022
4211231133220002321111
5314424312210101004
65302301003302525
7355141014155042
oct45553750027125
910152028238768
102591469612629
1190a044045067
1235a2b1b1aa45
1315a4b3b17291
148d5dbc441c9
1547623ed32be
hex25b5fa02e55

2591469612629 has 2 divisors, whose sum is σ = 2591469612630. Its totient is φ = 2591469612628.

The previous prime is 2591469612547. The next prime is 2591469612631. The reversal of 2591469612629 is 9262169641952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2331393072100 + 260076540529 = 1526890^2 + 509977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2591469612629 - 232 = 2587174645333 is a prime.

Together with 2591469612631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2591469612649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295734806314 + 1295734806315.

It is an arithmetic number, because the mean of its divisors is an integer number (1295734806315).

Almost surely, 22591469612629 is an apocalyptic number.

It is an amenable number.

2591469612629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591469612629 is an equidigital number, since it uses as much as digits as its factorization.

2591469612629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 62.

The spelling of 2591469612629 in words is "two trillion, five hundred ninety-one billion, four hundred sixty-nine million, six hundred twelve thousand, six hundred twenty-nine".