15234923494 has 24 divisors (see below), whose sum is σ = 27739190448. Its totient is φ = 6245371440.

The previous prime is 15234923491. The next prime is 15234923497. The reversal of 15234923494 is 49432943251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15234923491) and next prime (15234923497).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15234923491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3377277 + ... + 3381784.

It is an arithmetic number, because the mean of its divisors is an integer number (1155799602).

Almost surely, 2^15234923494 is an apocalyptic number.

15234923494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15234923494 is a deficient number, since it is larger than the sum of its proper divisors (12504266954).

15234923494 is a wasteful number, since it uses less digits than its factorization.

15234923494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759100 (or 6759093 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The spelling of 15234923494 in words is "fifteen billion, two hundred thirty-four million, nine hundred twenty-three thousand, four hundred ninety-four".