70097157743 has 4 divisors (see below), whose sum is σ = 70116152808. Its totient is φ = 70078162680.

The previous prime is 70097157709. The next prime is 70097157773. The reversal of 70097157743 is 34775179007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70097157743 - 2³⁰ = 69023415919 is a prime.

It is a super-2 number, since 2×70097157743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70097157691 and 70097157700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70097157703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9491996 + ... + 9499377.

It is an arithmetic number, because the mean of its divisors is an integer number (17529038202).

Almost surely, 2^70097157743 is an apocalyptic number.

70097157743 is a deficient number, since it is larger than the sum of its proper divisors (18995065).

70097157743 is a wasteful number, since it uses less digits than its factorization.

70097157743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18995064.

The product of its (nonzero) digits is 1296540, while the sum is 50.

The spelling of 70097157743 in words is "seventy billion, ninety-seven million, one hundred fifty-seven thousand, seven hundred forty-three".