15243935429377 has 4 divisors (see below), whose sum is σ = 16140637513476. Its totient is φ = 14347233345280.

The previous prime is 15243935429357. The next prime is 15243935429423. The reversal of 15243935429377 is 77392453934251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10800267213376 + 4443668216001 = 3286376^2 + 2108001^2 .

It is a cyclic number.

It is not a de Polignac number, because 15243935429377 - 2¹⁵ = 15243935396609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15243935429347) 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, 448351042024 + ... + 448351042057.

It is an arithmetic number, because the mean of its divisors is an integer number (4035159378369).

Almost surely, 2^{15243935429377} is an apocalyptic number.

15243935429377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

15243935429377 is a deficient number, since it is larger than the sum of its proper divisors (896702084099).

15243935429377 is an equidigital number, since it uses as much as digits as its factorization.

15243935429377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896702084098.

The product of its digits is 171460800, while the sum is 64.

The spelling of 15243935429377 in words is "fifteen trillion, two hundred forty-three billion, nine hundred thirty-five million, four hundred twenty-nine thousand, three hundred seventy-seven".