1654213492 has 48 divisors (see below), whose sum is σ = 3239974080. Its totient is φ = 734400000.

The previous prime is 1654213453. The next prime is 1654213493. The reversal of 1654213492 is 2943124561.

It is a happy number.

It is a super-2 number, since 2×1654213492² = 5472844554229668128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654213493) 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, 321742 + ... + 326842.

It is an arithmetic number, because the mean of its divisors is an integer number (67499460).

Almost surely, 2^1654213492 is an apocalyptic number.

It is an amenable number.

1654213492 is a deficient number, since it is larger than the sum of its proper divisors (1585760588).

1654213492 is a wasteful number, since it uses less digits than its factorization.

1654213492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 5390 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 1654213492 is about 40672.0234559334. The cubic root of 1654213492 is about 1182.6707417934.

The spelling of 1654213492 in words is "one billion, six hundred fifty-four million, two hundred thirteen thousand, four hundred ninety-two".