70525783481 has 2 divisors, whose sum is σ = 70525783482. Its totient is φ = 70525783480.

The previous prime is 70525783469. The next prime is 70525783507. The reversal of 70525783481 is 18438752507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69740887225 + 784896256 = 264085^2 + 28016^2 .

It is a cyclic number.

It is not a de Polignac number, because 70525783481 - 2³⁰ = 69452041657 is a prime.

It is a super-2 number, since 2×70525783481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70525783421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35262891740 + 35262891741.

It is an arithmetic number, because the mean of its divisors is an integer number (35262891741).

Almost surely, 2^70525783481 is an apocalyptic number.

It is an amenable number.

70525783481 is a deficient number, since it is larger than the sum of its proper divisors (1).

70525783481 is an equidigital number, since it uses as much as digits as its factorization.

70525783481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 70525783481 in words is "seventy billion, five hundred twenty-five million, seven hundred eighty-three thousand, four hundred eighty-one".