70991211435 has 8 divisors (see below), whose sum is σ = 113585938320. Its totient is φ = 37861979424.

The previous prime is 70991211433. The next prime is 70991211457. The reversal of 70991211435 is 53411219907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70991211435 - 2¹ = 70991211433 is a prime.

It is a super-3 number, since 3×70991211435³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (70991211433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366373700 + ... + 2366373729.

It is an arithmetic number, because the mean of its divisors is an integer number (14198242290).

Almost surely, 2^70991211435 is an apocalyptic number.

70991211435 is a deficient number, since it is larger than the sum of its proper divisors (42594726885).

70991211435 is a wasteful number, since it uses less digits than its factorization.

70991211435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732747437.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 70991211435 in words is "seventy billion, nine hundred ninety-one million, two hundred eleven thousand, four hundred thirty-five".