1650465742 has 16 divisors (see below), whose sum is σ = 2669562000. Its totient is φ = 762730560.

The previous prime is 1650465737. The next prime is 1650465743. The reversal of 1650465742 is 2475640561.

It is a happy number.

It is a super-2 number, since 2×1650465742² = 5448074331031221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1650465695 and 1650465704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650465743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528117 + ... + 531232.

It is an arithmetic number, because the mean of its divisors is an integer number (166847625).

Almost surely, 2^1650465742 is an apocalyptic number.

1650465742 is a deficient number, since it is larger than the sum of its proper divisors (1019096258).

1650465742 is a wasteful number, since it uses less digits than its factorization.

1650465742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059411.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 1650465742 is about 40625.9245064035. The cubic root of 1650465742 is about 1181.7769221030.

The spelling of 1650465742 in words is "one billion, six hundred fifty million, four hundred sixty-five thousand, seven hundred forty-two".