151249704449 has 2 divisors, whose sum is σ = 151249704450. Its totient is φ = 151249704448.

The previous prime is 151249704443. The next prime is 151249704491. The reversal of 151249704449 is 944407942151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103470302224 + 47779402225 = 321668^2 + 218585^2 .

It is a cyclic number.

It is not a de Polignac number, because 151249704449 - 2⁴ = 151249704433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151249704397 and 151249704406.

It is not a weakly prime, because it can be changed into another prime (151249704443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75624852224 + 75624852225.

It is an arithmetic number, because the mean of its divisors is an integer number (75624852225).

Almost surely, 2^151249704449 is an apocalyptic number.

It is an amenable number.

151249704449 is a deficient number, since it is larger than the sum of its proper divisors (1).

151249704449 is an equidigital number, since it uses as much as digits as its factorization.

151249704449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 151249704449 in words is "one hundred fifty-one billion, two hundred forty-nine million, seven hundred four thousand, four hundred forty-nine".