70842449061 has 6 divisors (see below), whose sum is σ = 102327981990. Its totient is φ = 47228299368.

The previous prime is 70842449053. The next prime is 70842449081. The reversal of 70842449061 is 16094424807.

70842449061 is a `hidden beast` number, since 7 + 0 + 84 + 24 + 490 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52255216836 + 18587232225 = 228594^2 + 136335^2 .

It is not a de Polignac number, because 70842449061 - 2³ = 70842449053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70842448998 and 70842449016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70842449081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3935691606 + ... + 3935691623.

It is an arithmetic number, because the mean of its divisors is an integer number (17054663665).

Almost surely, 2^70842449061 is an apocalyptic number.

It is an amenable number.

70842449061 is a deficient number, since it is larger than the sum of its proper divisors (31485532929).

70842449061 is a wasteful number, since it uses less digits than its factorization.

70842449061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871383235 (or 7871383232 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 70842449061 in words is "seventy billion, eight hundred forty-two million, four hundred forty-nine thousand, sixty-one".