26046890501 has 4 divisors (see below), whose sum is σ = 26114898432. Its totient is φ = 25978882572.

The previous prime is 26046890491. The next prime is 26046890509. The reversal of 26046890501 is 10509864062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10509864062 = 2 ⋅5254932031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26046890501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26046890509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34003391 + ... + 34004156.

It is an arithmetic number, because the mean of its divisors is an integer number (6528724608).

Almost surely, 2^26046890501 is an apocalyptic number.

It is an amenable number.

26046890501 is a deficient number, since it is larger than the sum of its proper divisors (68007931).

26046890501 is an equidigital number, since it uses as much as digits as its factorization.

26046890501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68007930.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 26046890501 in words is "twenty-six billion, forty-six million, eight hundred ninety thousand, five hundred one".