70361357405 has 4 divisors (see below), whose sum is σ = 84433628892. Its totient is φ = 56289085920.

The previous prime is 70361357399. The next prime is 70361357449. The reversal of 70361357405 is 50475316307.

It is a happy number.

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 34635443236 + 35725914169 = 186106^2 + 189013^2 .

It is not a de Polignac number, because 70361357405 - 2¹⁸ = 70361095261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7036135736 + ... + 7036135745.

It is an arithmetic number, because the mean of its divisors is an integer number (21108407223).

Almost surely, 2^70361357405 is an apocalyptic number.

It is an amenable number.

70361357405 is a deficient number, since it is larger than the sum of its proper divisors (14072271487).

70361357405 is a wasteful number, since it uses less digits than its factorization.

70361357405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14072271486.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 70361357405 in words is "seventy billion, three hundred sixty-one million, three hundred fifty-seven thousand, four hundred five".