15494080754 has 4 divisors (see below), whose sum is σ = 23241121134. Its totient is φ = 7747040376.

The previous prime is 15494080753. The next prime is 15494080759. The reversal of 15494080754 is 45708049451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45708049451 = 3019 ⋅15140129.

It can be written as a sum of positive squares in only one way, i.e., 8459400625 + 7034680129 = 91975^2 + 83873^2 .

It is a super-2 number, since 2×15494080754² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15494080699 and 15494080708.

It is not an unprimeable number, because it can be changed into a prime (15494080753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3873520187 + ... + 3873520190.

Almost surely, 2^15494080754 is an apocalyptic number.

15494080754 is a deficient number, since it is larger than the sum of its proper divisors (7747040380).

15494080754 is an equidigital number, since it uses as much as digits as its factorization.

15494080754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747040379.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 15494080754 in words is "fifteen billion, four hundred ninety-four million, eighty thousand, seven hundred fifty-four".