70149823801 has 2 divisors, whose sum is σ = 70149823802. Its totient is φ = 70149823800.

The previous prime is 70149823769. The next prime is 70149823837. The reversal of 70149823801 is 10832894107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40975475776 + 29174348025 = 202424^2 + 170805^2 .

It is a cyclic number.

It is not a de Polignac number, because 70149823801 - 2⁵ = 70149823769 is a prime.

It is a super-2 number, since 2×70149823801² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70149823201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35074911900 + 35074911901.

It is an arithmetic number, because the mean of its divisors is an integer number (35074911901).

Almost surely, 2^70149823801 is an apocalyptic number.

It is an amenable number.

70149823801 is a deficient number, since it is larger than the sum of its proper divisors (1).

70149823801 is an equidigital number, since it uses as much as digits as its factorization.

70149823801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 70149823801 in words is "seventy billion, one hundred forty-nine million, eight hundred twenty-three thousand, eight hundred one".