70143612541 has 4 divisors (see below), whose sum is σ = 70824618592. Its totient is φ = 69462606492.

The previous prime is 70143612523. The next prime is 70143612563. The reversal of 70143612541 is 14521634107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14521634107 = 17 ⋅854213771.

It is a cyclic number.

It is not a de Polignac number, because 70143612541 - 2¹⁵ = 70143579773 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70143612497 and 70143612506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70143612571) 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, 340502871 + ... + 340503076.

It is an arithmetic number, because the mean of its divisors is an integer number (17706154648).

Almost surely, 2^70143612541 is an apocalyptic number.

It is an amenable number.

70143612541 is a deficient number, since it is larger than the sum of its proper divisors (681006051).

70143612541 is a wasteful number, since it uses less digits than its factorization.

70143612541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681006050.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 70143612541 in words is "seventy billion, one hundred forty-three million, six hundred twelve thousand, five hundred forty-one".