70751950145 has 4 divisors (see below), whose sum is σ = 84902340180. Its totient is φ = 56601560112.

The previous prime is 70751950133. The next prime is 70751950201. The reversal of 70751950145 is 54105915707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54105915707 = 5783 ⋅9356029.

It can be written as a sum of positive squares in 2 ways, for example, as 42495348736 + 28256601409 = 206144^2 + 168097^2 .

It is a cyclic number.

It is not a de Polignac number, because 70751950145 - 2¹² = 70751946049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70751950096 and 70751950105.

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, 7075195010 + ... + 7075195019.

It is an arithmetic number, because the mean of its divisors is an integer number (21225585045).

Almost surely, 2^70751950145 is an apocalyptic number.

It is an amenable number.

70751950145 is a deficient number, since it is larger than the sum of its proper divisors (14150390035).

70751950145 is a wasteful number, since it uses less digits than its factorization.

70751950145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14150390034.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 70751950145 in words is "seventy billion, seven hundred fifty-one million, nine hundred fifty thousand, one hundred forty-five".