1933893497157 has 16 divisors (see below), whose sum is σ = 2641471042560. Its totient is φ = 1257790464000.

The previous prime is 1933893497143. The next prime is 1933893497161. The reversal of 1933893497157 is 7517943983391.

It is not a de Polignac number, because 1933893497157 - 2¹¹ = 1933893495109 is a prime.

It is a super-2 number, since 2×1933893497157² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1933893497091 and 1933893497100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1933893497857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6948444 + ... + 7221402.

It is an arithmetic number, because the mean of its divisors is an integer number (165091940160).

Almost surely, 2^{1933893497157} is an apocalyptic number.

It is an amenable number.

1933893497157 is a deficient number, since it is larger than the sum of its proper divisors (707577545403).

1933893497157 is a wasteful number, since it uses less digits than its factorization.

1933893497157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330604.

The product of its digits is 154314720, while the sum is 69.

The spelling of 1933893497157 in words is "one trillion, nine hundred thirty-three billion, eight hundred ninety-three million, four hundred ninety-seven thousand, one hundred fifty-seven".