371517428947 has 4 divisors (see below), whose sum is σ = 424591347376. Its totient is φ = 318443510520.

The previous prime is 371517428903. The next prime is 371517428957. The reversal of 371517428947 is 749824715173.

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

It is a cyclic number.

It is not a de Polignac number, because 371517428947 - 2¹⁵ = 371517396179 is a prime.

It is a super-2 number, since 2×371517428947² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 371517428891 and 371517428900.

It is not an unprimeable number, because it can be changed into a prime (371517428957) 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, 26536959204 + ... + 26536959217.

It is an arithmetic number, because the mean of its divisors is an integer number (106147836844).

Almost surely, 2^371517428947 is an apocalyptic number.

371517428947 is a deficient number, since it is larger than the sum of its proper divisors (53073918429).

371517428947 is an equidigital number, since it uses as much as digits as its factorization.

371517428947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53073918428.

The product of its digits is 11854080, while the sum is 58.

The spelling of 371517428947 in words is "three hundred seventy-one billion, five hundred seventeen million, four hundred twenty-eight thousand, nine hundred forty-seven".