1251452433029 has 2 divisors, whose sum is σ = 1251452433030. Its totient is φ = 1251452433028.

The previous prime is 1251452432927. The next prime is 1251452433037. The reversal of 1251452433029 is 9203342541521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1228750080100 + 22702352929 = 1108490^2 + 150673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1251452433029 is a prime.

It is a super-2 number, since 2×1251452433029² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1251452433059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625726216514 + 625726216515.

It is an arithmetic number, because the mean of its divisors is an integer number (625726216515).

Almost surely, 2^{1251452433029} is an apocalyptic number.

It is an amenable number.

1251452433029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1251452433029 is an equidigital number, since it uses as much as digits as its factorization.

1251452433029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1251452433029 in words is "one trillion, two hundred fifty-one billion, four hundred fifty-two million, four hundred thirty-three thousand, twenty-nine".