15485402641 has 4 divisors (see below), whose sum is σ = 15490066032. Its totient is φ = 15480739252.

The previous prime is 15485402633. The next prime is 15485402659. The reversal of 15485402641 is 14620458451.

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: 14620458451 = 709 ⋅20621239.

It is a cyclic number.

It is not a de Polignac number, because 15485402641 - 2³ = 15485402633 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15485402594 and 15485402603.

It is not an unprimeable number, because it can be changed into a prime (15485402741) 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, 2326711 + ... + 2333356.

It is an arithmetic number, because the mean of its divisors is an integer number (3872516508).

Almost surely, 2^15485402641 is an apocalyptic number.

It is an amenable number.

15485402641 is a deficient number, since it is larger than the sum of its proper divisors (4663391).

15485402641 is an equidigital number, since it uses as much as digits as its factorization.

15485402641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663390.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 15485402641 in words is "fifteen billion, four hundred eighty-five million, four hundred two thousand, six hundred forty-one".