70401763989 has 12 divisors (see below), whose sum is σ = 101701929472. Its totient is φ = 46929666600.

The previous prime is 70401763969. The next prime is 70401764047. The reversal of 70401763989 is 98936710407.

It is a happy number.

It is not a de Polignac number, because 70401763989 - 2¹³ = 70401755797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70401763969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310357 + ... + 486954.

Almost surely, 2^70401763989 is an apocalyptic number.

It is an amenable number.

70401763989 is a deficient number, since it is larger than the sum of its proper divisors (31300165483).

70401763989 is a wasteful number, since it uses less digits than its factorization.

70401763989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807128 (or 807125 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 70401763989 in words is "seventy billion, four hundred one million, seven hundred sixty-three thousand, nine hundred eighty-nine".