1379087400434 has 16 divisors (see below), whose sum is σ = 2233005088320. Its totient is φ = 636819968400.

The previous prime is 1379087400389. The next prime is 1379087400451. The reversal of 1379087400434 is 4340047809731.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516897992 + ... + 516900659.

It is an arithmetic number, because the mean of its divisors is an integer number (139562818020).

Almost surely, 2^{1379087400434} is an apocalyptic number.

1379087400434 is a deficient number, since it is larger than the sum of its proper divisors (853917687886).

1379087400434 is a wasteful number, since it uses less digits than its factorization.

1379087400434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033798705.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 1379087400434 in words is "one trillion, three hundred seventy-nine billion, eighty-seven million, four hundred thousand, four hundred thirty-four".