701664508451 has 4 divisors (see below), whose sum is σ = 708611681904. Its totient is φ = 694717335000.

The previous prime is 701664508429. The next prime is 701664508511. The reversal of 701664508451 is 154805466107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154805466107 = 2333 ⋅66354679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-701664508451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 701664508396 and 701664508405.

It is not an unprimeable number, because it can be changed into a prime (701664558451) 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, 3473586575 + ... + 3473586776.

It is an arithmetic number, because the mean of its divisors is an integer number (177152920476).

Almost surely, 2^701664508451 is an apocalyptic number.

701664508451 is a deficient number, since it is larger than the sum of its proper divisors (6947173453).

701664508451 is a wasteful number, since it uses less digits than its factorization.

701664508451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947173452.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 701664508451 in words is "seven hundred one billion, six hundred sixty-four million, five hundred eight thousand, four hundred fifty-one".