90459426251 has 2 divisors, whose sum is σ = 90459426252. Its totient is φ = 90459426250.

The previous prime is 90459426203. The next prime is 90459426263. The reversal of 90459426251 is 15262495409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90459426251 is a prime.

It is a super-3 number, since 3×90459426251³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90459426196 and 90459426205.

It is not a weakly prime, because it can be changed into another prime (90459426751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45229713125 + 45229713126.

It is an arithmetic number, because the mean of its divisors is an integer number (45229713126).

Almost surely, 2^90459426251 is an apocalyptic number.

90459426251 is a deficient number, since it is larger than the sum of its proper divisors (1).

90459426251 is an equidigital number, since it uses as much as digits as its factorization.

90459426251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 90459426251 in words is "ninety billion, four hundred fifty-nine million, four hundred twenty-six thousand, two hundred fifty-one".