153494749761 has 4 divisors (see below), whose sum is σ = 204659666352. Its totient is φ = 102329833172.

The previous prime is 153494749747. The next prime is 153494749769. The reversal of 153494749761 is 167947494351.

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.

It is a cyclic number.

It is not a de Polignac number, because 153494749761 - 2¹¹ = 153494747713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153494749695 and 153494749704.

It is not an unprimeable number, because it can be changed into a prime (153494749769) 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, 25582458291 + ... + 25582458296.

It is an arithmetic number, because the mean of its divisors is an integer number (51164916588).

Almost surely, 2^153494749761 is an apocalyptic number.

It is an amenable number.

153494749761 is a deficient number, since it is larger than the sum of its proper divisors (51164916591).

153494749761 is an equidigital number, since it uses as much as digits as its factorization.

153494749761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51164916590.

The product of its digits is 22861440, while the sum is 60.

The spelling of 153494749761 in words is "one hundred fifty-three billion, four hundred ninety-four million, seven hundred forty-nine thousand, seven hundred sixty-one".